Screen 1.3″ | Display technology TFT-LCD | Resolution 240 x 240 | Wireless connections Bluetooth | CPU Nodic nRF52832 | Memory ROM 64MB; Flash 512KB | Colour Black | Battery run time up to 240 hours | Battery capacity 260 mAh | Dimensions 46.5*46.5*11.8 mm | Weight 0.04 kg